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BUS 308 Week 2 Quiz
Question 1. 1. What statistic measures data variability in both groups in an independent ttest?
@Answer found in section 4.5 The Independent Samples tTest, in Statistics for Managers (Points : 1)
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Question 2. 2. The standard error of the mean is actually the standard deviation of all of the means that make up the distribution of sample means. (Points : 1) 

Question 3. 3. The standard error of the mean can be calculated by dividing μ by the square root of the number of values in the distribution. (Points : 1) 

Question 4. 4. The desired sample depends on all of these factors except?
@Answer found in section 3.4, in Statistics for Managers
(Points : 1) 

Question 5. 5. Why do the critical values change with degrees of freedom for the ttests?
@Answer found in section 4.3 The Onesample tTest, in Statistics for Managers
(Points : 1) 
. 
Question 6. 6. Which of the following is a provision of the central limit theorem? (Points : 1) 

Question 7. 7. According to the central limit theorem, a population which is skewed to begin with will still be skewed when it is reformed as a distribution of sample means. (Points : 1) 

Question 8. 8. The desired sample size depends only the size of the population to be tested. (Points : 1) 

Question 9. 9. The onesample ttest differs from the ztest in which way?
@Answer found in section 4.3 The Onesample tTest, in Statistics for Managers (Points : 1) 

Question 10. 10. Type I errors may occur with ______ results and type II errors with ______ results.
@Answer found in section 3.4 The Independent Samples tTest, in Statistics for Managers (Points : 1)
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